Sons of Anarchy star Charlie Hunnam has admitted that he finds it frustrating not being privy to future storylines.

He told the Chicago Tribune that he disagrees with the policy not to inform the show's actors of upcoming plot developments.

"There's a philosophy here, which I don't always agree with as an actor, that it's better for actors to know as little as possible," he explained. "I actually don't agree with that because most of my experiences in acting are in film, where you know all of the answers going in, and you make your choices accordingly."

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He added: "Keeping actors in the dark is not always the right move, because without knowing the direction that something's going, one can make slight mistakes. There has to be a big, psychological leap to get to where you're being taken."

The British actor also admitted that he has to work hard to maintain his American accent while filming.

"I just have to go home and do a couple of extra hours' work every night, that's what it amounts to," he revealed. "We spend 14 or 15 hours [filming], then an hour of travel [to get] home and [then] I work for two hours preparing for the next day. But it's a little price to pay for getting to do my dream job."